Chemical Reaction Engineering A space velocity of 5 hr⁻¹ means that A fixed conversion of a given batch of feed takes 5 hours After every 5 hours, reactor is being filled with the feed Cent per cent conversion can be achieved in at least 5 hours Five reactor volumes of feed (at specified conditions) are being fed into the reactor per hour A fixed conversion of a given batch of feed takes 5 hours After every 5 hours, reactor is being filled with the feed Cent per cent conversion can be achieved in at least 5 hours Five reactor volumes of feed (at specified conditions) are being fed into the reactor per hour ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If pore diffusion is the controlling step in a solid catalysed reaction, the catalyst None of these Porosity is very important Internal surface area is utilised efficiently Porosity is of less importance None of these Porosity is very important Internal surface area is utilised efficiently Porosity is of less importance ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Collision theory gives the rate constant for bimolecular reaction as K α e-E/RT K α √T.e-E/RT None of these K α eE/RT K α e-E/RT K α √T.e-E/RT None of these K α eE/RT ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Specific rate constant for a second order reaction Both B and C Varies with temperature Depends on the nature of the reactants Is independent of temperature Both B and C Varies with temperature Depends on the nature of the reactants Is independent of temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The reason why a catalyst increases the rate of reaction is that, it None of these Decreases the molecular collision diameter Decreases the energy barrier for reaction Increases the activation energy None of these Decreases the molecular collision diameter Decreases the energy barrier for reaction Increases the activation energy ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Rate of a chemical reaction is not influenced by the Reactants concentration Number of molecules of reactants taking part in a reaction Catalyst Temperature Reactants concentration Number of molecules of reactants taking part in a reaction Catalyst Temperature ANSWER DOWNLOAD EXAMIANS APP